diff options
Diffstat (limited to 'firmware/decompressor/decompressor.c')
-rw-r--r-- | firmware/decompressor/decompressor.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/firmware/decompressor/decompressor.c b/firmware/decompressor/decompressor.c deleted file mode 100644 index 11888ef272..0000000000 --- a/firmware/decompressor/decompressor.c +++ /dev/null | |||
@@ -1,73 +0,0 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2005 by Jens Arnold | ||
11 | * | ||
12 | * Self-extracting firmware loader to work around the 200KB size limit | ||
13 | * for archos player and recorder v1 | ||
14 | * Decompresses a built-in UCL-compressed image (method 2e) and executes it. | ||
15 | * | ||
16 | * This program is free software; you can redistribute it and/or | ||
17 | * modify it under the terms of the GNU General Public License | ||
18 | * as published by the Free Software Foundation; either version 2 | ||
19 | * of the License, or (at your option) any later version. | ||
20 | * | ||
21 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
22 | * KIND, either express or implied. | ||
23 | * | ||
24 | ****************************************************************************/ | ||
25 | |||
26 | #include "uclimage.h" | ||
27 | |||
28 | #define ICODE_ATTR __attribute__ ((section (".icode"))) | ||
29 | |||
30 | /* Symbols defined in the linker script */ | ||
31 | extern char iramcopy[], iramstart[], iramend[]; | ||
32 | extern char stackend[]; | ||
33 | extern char loadaddress[], dramend[]; | ||
34 | |||
35 | /* Prototypes */ | ||
36 | extern void start(void); | ||
37 | |||
38 | void main(void) ICODE_ATTR; | ||
39 | int ucl_nrv2e_decompress_8(const unsigned char *src, unsigned char *dst, | ||
40 | unsigned long *dst_len) ICODE_ATTR; | ||
41 | |||
42 | /* Vector table */ | ||
43 | void (*vbr[]) (void) __attribute__ ((section (".vectors"))) = | ||
44 | { | ||
45 | start, (void *)stackend, | ||
46 | start, (void *)stackend, | ||
47 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, | ||
48 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, | ||
49 | }; | ||
50 | |||
51 | /** All subsequent functions are executed from IRAM **/ | ||
52 | |||
53 | #define ALIGNED_IMG_SIZE ((sizeof(image) + 3) & ~3) | ||
54 | /* This will never return */ | ||
55 | void main(void) | ||
56 | { | ||
57 | unsigned long dst_len; /* dummy */ | ||
58 | unsigned long *src = (unsigned long *)image; | ||
59 | unsigned long *dst = (unsigned long *)(dramend - ALIGNED_IMG_SIZE); | ||
60 | |||
61 | do | ||
62 | *dst++ = *src++; | ||
63 | while (dst < (unsigned long *)dramend); | ||
64 | |||
65 | ucl_nrv2e_decompress_8(dramend - ALIGNED_IMG_SIZE, loadaddress, &dst_len); | ||
66 | |||
67 | asm( | ||
68 | "mov.l @%0+,r0 \n" | ||
69 | "jmp @r0 \n" | ||
70 | "mov.l @%0+,r15 \n" | ||
71 | : : "r"(loadaddress) : "r0" | ||
72 | ); | ||
73 | } | ||